Prepositions of Time AT/ON/IN

The seminar will begin promptly __ 9:00 a.m., so please arrive ten minutes earlier.

• at

• on

• in

He always goes to visit his grandparents __ Friday evenings after work.

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Many important discoveries were made __ the 20th century, especially in medicine and technology.

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• in

I plan to meet my friend __ noon tomorrow before we head to the stadium.

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• in

We usually have family gatherings __ Eid, when everyone comes together to celebrate.

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She finished her master’s degree __ 2018 and started working abroad immediately.

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The new shopping centre is opening __ the first of October with a big ceremony.

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Students must submit their projects __ the end of the semester or risk losing marks.

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We had a wonderful time travelling across Europe __ the summer of 2019.

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• in

He was born __ a hot day in July, just before sunrise.

• at

• on

• in